Finding the Fourth Proportional to 281,859.70, 388,982.28 and 167,206.23
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Solution
The fourth proportional to 281,859.70, 388,982.28 and 167,206.23 is: 230,754.02
Step by Step Solution
- Step 1: Write the proportion equation
281,859.70 : 388,982.28 = 167,206.23 : x - Step 2: Convert to fraction form
281,859.70/388,982.28 = 167,206.23/x - Step 3: Cross multiply
281,859.70x = 388,982.28 × 167,206.23 - Step 4: Simplify right side
281,859.70x = 65,040,258,212.68 - Step 5: Solve for x
x = 65,040,258,212.68/281,859.70 - Step 6: Final answer
x = 230,754.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.